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2 points by rocketnia 245 days ago | link | parent

One way to investigate this would be to use Racket's profiler: https://docs.racket-lang.org/profile/index.html

That tool's results are a little tricky to navigate, but there's a kind of indirect way to turn them into flamegraph SVG images via this library and flamegraph.pl: https://docs.racket-lang.org/profile-flame-graph/index.html

Racket also has some support for getting feature-specific profiling data for certain features, although I haven't tried it for anything yet: https://docs.racket-lang.org/feature-profile/index.html

I think Arc's load time is pretty typical of uncompiled Racket code. In Racket, people can speed up their development process by using `raco setup --pkgs my-package` to compile their libraries or `raco make filename.rkt` to compile individual files. That might be harder to do for Arc, especially the Arc REPL, since Arc's macroexpansion is interleaved with run-time side effects.